Which source is likely to be the MOST unbiased?
a. Immigration and America: A History by Sarah Stanley, PhD. Harvard University Press, 2002.
b. Good Fences Make Good Neighbors: Why We Must Increase Border Security by Ron Riley. Bass Press, 2006.
c. "America's Crisis" call-in talk radio show transcript. KNNN. October 12, 2001.
d. Libertdad! pamphlet produced by the Center for Immigrant Rights, 2005.